I'm trying to configure a second ethernet adapter in my fedora computer. The original is connected to my internet network, the second will go to a cable modem and then out to the internet. The problem I'm having is the new adapter won't pick up an IP from the cable DHCP. I've checked and the cable modem is definitely looking at the mac of the new nic. Another thing I'm noticing is that this machine is configuring both nics to the same interrupt. Is it possible that this is what is causing the problem?
Nick
I had that problem; my fix was to put in two different MACs and configure them for different IRQs,
Paul
----- Original Message ----- From: "Axel IS Main" nfzgrld@axelis.com To: fedora-list@redhat.com Sent: Saturday, February 28, 2004 4:37 PM Subject: Second Ethernet
I'm trying to configure a second ethernet adapter in my fedora computer. The original is connected to my internet network, the second will go to a cable modem and then out to the internet. The problem I'm having is the new adapter won't pick up an IP from the cable DHCP. I've checked and the cable modem is definitely looking at the mac of the new nic. Another thing I'm noticing is that this machine is configuring both nics to the same interrupt. Is it possible that this is what is causing the problem?
Nick
-- fedora-list mailing list fedora-list@redhat.com To unsubscribe: http://www.redhat.com/mailman/listinfo/fedora-list
I actually tried that, but this stupid bios won't do it. For some reason it won't put the second nic on a different IRQ. Still, I don't think that's the problem any more. I took the second nic out and configured the remaining nic to DHCP. It still didn't pick up the ip, etc., from the cable modem. Man, I miss the days of having 5 IPs and a straight line to the net!
Nick
stucklenp wrote:
I had that problem; my fix was to put in two different MACs and configure them for different IRQs,
Paul
----- Original Message ----- From: "Axel IS Main" nfzgrld@axelis.com To: fedora-list@redhat.com Sent: Saturday, February 28, 2004 4:37 PM Subject: Second Ethernet
I'm trying to configure a second ethernet adapter in my fedora computer. The original is connected to my internet network, the second will go to a cable modem and then out to the internet. The problem I'm having is the new adapter won't pick up an IP from the cable DHCP. I've checked and the cable modem is definitely looking at the mac of the new nic. Another thing I'm noticing is that this machine is configuring both nics to the same interrupt. Is it possible that this is what is causing the problem?
Nick
-- fedora-list mailing list fedora-list@redhat.com To unsubscribe: http://www.redhat.com/mailman/listinfo/fedora-list
Axel IS Main became daring and sent these 3.8K bytes,
I actually tried that, but this stupid bios won't do it. For some reason it won't put the second nic on a different IRQ. Still, I don't think that's the problem any more. I took the second nic out and configured the remaining nic to DHCP. It still didn't pick up the ip, etc., from the cable modem. Man, I miss the days of having 5 IPs and a straight line to the net!
No need to change irq's if this is a PCI nic, they are automatically asigned differently unless you have a buggy BIOS. And you can bind your MAC address to a specific ethX.
It would appear the irq situation is not the problem. Why would I worry about the mac being bound to a specific ethX? Ever hear of kudzu? It works, you know. In any event, I believe I've traced the problem to upgrades being done on the adephia cable network. I still have one of the "old" modems so I can't change anything. It would seem that even though the modem can be made to see the new mac, the system won't assign an ip to a mac that it hasn't seen through that modem. Once I get the new modem it should work. Until then I guess I'm just screwed.
Nick
Aaron Matteson wrote:
Axel IS Main became daring and sent these 3.8K bytes,
I actually tried that, but this stupid bios won't do it. For some reason it won't put the second nic on a different IRQ. Still, I don't think that's the problem any more. I took the second nic out and configured the remaining nic to DHCP. It still didn't pick up the ip, etc., from the cable modem. Man, I miss the days of having 5 IPs and a straight line to the net!
No need to change irq's if this is a PCI nic, they are automatically asigned differently unless you have a buggy BIOS. And you can bind your MAC address to a specific ethX.
Axel IS Main wrote:
It would appear the irq situation is not the problem. Why would I worry about the mac being bound to a specific ethX? Ever hear of kudzu? It works, you know. In any event, I believe I've traced the problem to upgrades being done on the adephia cable network. I still have one of the "old" modems so I can't change anything. It would seem that even though the modem can be made to see the new mac, the system won't assign an ip to a mac that it hasn't seen through that modem. Once I get the new modem it should work. Until then I guess I'm just screwed.
Nick
Aaron Matteson wrote:
Axel IS Main became daring and sent these 3.8K bytes,
I actually tried that, but this stupid bios won't do it. For some reason it won't put the second nic on a different IRQ. Still, I don't think that's the problem any more. I took the second nic out and configured the remaining nic to DHCP. It still didn't pick up the ip, etc., from the cable modem. Man, I miss the days of having 5 IPs and a straight line to the net!
No need to change irq's if this is a PCI nic, they are automatically asigned differently unless you have a buggy BIOS. And you can bind your MAC address to a specific ethX.
Please do not use top post
Em Seg, 2004-03-01 às 05:03, Axel IS Main escreveu:
Can you be more specific about what you mean by "top post"?
It means, replying ABOVE the previous post, as you just did. As you can see, Gertjan's comment is below this one, and yours is above. You top-posted. This email has only 2 replies, and it's already a mess. Imagine if some would post below and others begun to top-post... Long messages would be unreadable.
So, always answer below the question.
Please do not use top post
On Sun, Feb 29, 2004 at 10:39:28PM -0800, Axel IS Main wrote:
It would appear the irq situation is not the problem. Why would I worry about the mac being bound to a specific ethX? Ever hear of kudzu? It works, you know. In any event, I believe I've traced the problem to upgrades being done on the adephia cable network. I still have one of the "old" modems so I can't change anything. It would seem that even though the modem can be made to see the new mac, the system won't assign an ip to a mac that it hasn't seen through that modem. Once I get the new modem it should work. Until then I guess I'm just screwed.
Of interest you can change the MAC address on most Ethernet ports. If you have a situation where the MAC address is important be sure to document it in you system notebook for just this type of trouble.
extracted from the ifconfig man page.
hw class address "Set the hardware address of this interface, if the device driver supports this operation. The keyword must be followed by the name of the hardware class and the printable ASCII equivalent of the hardware address. Hardware classes currently supported include ether (Ethernet), ax25 (AMPR AX.25), ARCnet and netrom (AMPR NET/ROM)."
For a GUI interface see redhat-config-network (soon to be system-config-network in FC2)
You can also add or swap the lines like this in ifcfg-eth0 or ifcfg-eth1.
HWADDR=00:05:5d:29:e2:f1
The lines need to be different... as long as you do not duplicate MAC address on local wires you are OK.
-
Aaron Matteson -
Alexandre Strube -
Axel IS Main -
Gertjan Vinkesteijn -
stucklenp＠charter.net -
Tom Mitchell